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Merriam-Webster's Collegiate Dictionary cy·cle
ETYMOLOGY Middle English cicle, from Late Latin cyclus, from Greek kyklos circle, wheel, cycle — more at wheel DATE 14th century 1. an interval of time during which a sequence of a recurring succession of events or phenomena is completed a 4-year cycle of growth and development 2. a. a course or series of events or operations that recur regularly and usually lead back to the starting point b. one complete performance of a vibration, electric oscillation, current alternation, or other periodic process c. a permutation of a set of ordered elements in which each element takes the place of the next and the last becomes first d. a takeoff and landing of an airplane 3. a circular or spiral arrangement: as a. an imaginary circle or orbit in the heavens b. ring 104. a long period of time : age 5. a. a group of creative works (as poems, plays, or songs) treating the same theme b. a series of narratives dealing typically with the exploits of a legendary hero the Arthurian cycle 6. a. bicycle b. tricycle c. motorcycle 7. the series of a single, double, triple, and home run hit in any order by one player during one baseball game
verb DATE 1842 intransitive verb 1. a. to pass through a cycle b. to recur in cycles 2. to ride a cycle; specifically : bicycle transitive verb : to cause to go through a cycle English Etymology cycle late 14c., from L.L. cyclus, from Gk. kyklos "circle, wheel," from PIE *kwel-, *kwol- "to roll, to move around, wheel" (cf. Skt.cakram "circle, wheel," carati "he moves, wanders;" Avestan caraiti "applies himself," c'axra "chariot, wagon;" Gk. polos "a round axis" (PIE *kw- becomes Gk. p- before some vowels), polein "move around;" L. colere "to frequent, dwell in, to cultivate, move around," cultus "tended, cultivated," hence also "polished," colonus "husbandman, tenant farmer, settler, colonist;" Lith.kelias "a road, a way;" O.N. hvel, O.E. hweol "wheel;" O.Rus., Pol. kolo, Rus. koleso "a wheel"). The verb meaning "to ride a bicycle" is from 1883. Oxford Advanced Learner's Dictionary-牛津双解-OALD7 ☞ cycle cycle / 5saikl / noun1. a bicycle or motorcycle 自行车；摩托车: We went for a cycle ride on Sunday. 我们星期天骑自行车去兜风了。 a cycle route / track 自行车路线/车道 ⇨ see also bike 2. the fact of a series of events being repeated many times, always in the same order 循环: the cycle of the seasons 四季的循环 ⇨ see also life cycle 3. a complete set or series, for example of movements in a machine 整套,整个系列(如机器的运转): eight cycles per second 每秒转动八次 the rinse cycle (= in a washing machine) (洗衣机的)漂洗运转过程 verb[V , usually +adv. / prep.] (especially BrE) to ride a bicycle; to travel by bicycle 骑自行车；骑自行车旅行: I usually cycle home through the park. 我通常骑自行车穿过公园回家。 ⇨ compare bicycle , bike Oxford Collocations Dictionary for Students of English cycle noun 1 series of events that happen repeatedly ADJ. annual, daily, monthly, regular, seasonal, weekly the annual cycle of church festivals | complete, entire, whole | endless the endless cycle of birth, death and rebirth | natural Life is a natural cycle, just like the changing seasons. | vicious caught up in a vicious cycle of bingeing and dieting | lunar, solar the 76-year solar cycle | breeding, menstrual, reproductive | business, economic | water a diagram of the water cycle | life the life cycle of the butterfly VERB + CYCLE go through The European market is simply going through an economic cycle. | complete To complete the cycle, oxygen is necessary. | repeat CYCLE + VERB begin again Male and female adults mate, the female lays eggs, and the cycle begins all over again. | repeat (itself) This cycle of events continually repeats itself. CYCLE + NOUN length, time PREP. in a/the ~ at this point in the cycle | per ~ The number of young produced per breeding cycle varies from species to species. PHRASES part of the cycle (of sth) part of the cycle of birth and death 2 bicycle ADJ. motor (also motorcycle), pedal VERB + CYCLE ride CYCLE + NOUN ride, tour We're going for a cycle ride this afternoon. | helmet | lane, path, route, track Cars are not allowed in the cycle lanes. | race PREP. by ~ They completed their journey by cycle. | on a/the ~ lots of people in cars or on cycles Merriam-Webster's Collegiate Thesaurus-11th Edition n. Function: noun 1 a complete course of recurrent operations or events FF1C;a 24-hour cycle of medicationFF1E; Synonyms: circle, round, wheel; compare SUCCESSION 2 Related Words: chain, sequel, sequence, series; course, run; circuit, loop, ring 2 Synonyms: BICYCLE , bike, two-wheeler, velocipedeWebster's Third New International Dictionary, Unabridged cy·cle I. \ˈsīkəl, in sense 6 “ or ˈsik-\ noun (-s) Usage: often attributive Etymology: French or Late Latin; French cycle, from Late Latin cyclus, from Greek kyklos ring, circle, cycle, wheel — more at wheel 1. : an interval of time during which one sequence of a regularly recurring succession of events or phenomena is completed: as a. : a recurrent period of time that is used as a basis of chronology usually beginning and ending by occurrence of the same natural phenomenon (as the passage of a comet) b. : a period of time during which something becomes established, reaches a peak, and declines < the early mining cycles of gold and silver in the west > 2. a. : a recurrent sequence of events which occur in such order that the last event of one sequence immediately precedes the recurrence of the first event in a new series — compare life cycle b. : a complete course of operations or events returning upon itself and restoring the original state < the common cycle of birth, growth, senescence, and death — T.C.Schneirla & Gerard Piel > < the sporogonic cycle of the malaria mosquito > c. (1) : one complete performance of a vibration, electric oscillation, current alternation, or other periodic process (2) : cycles per second — compare hertz d. : a series of operations at the end of which a working substance is returned to its original state usually with accompanying conversion of heat into mechanical work or vice versa e. : the sequence of activities repeated in each performance of an operation or task — used chiefly in connection with time and motion studies f. : business cycle g. : a series of changes usually but not necessarily leading back to the starting point < the cycle of nitrogen in the living world > < the geochemical cycle of an element passing through various processes which may lead to repetition > h. : a regular periodic fluctuation in the abundance of certain kinds of animals 3. : a circular or spiral arrangement: as a. (1) : an imaginary circle or orbit in the heavens (2) : celestial sphere b. (1) in phyllotaxy : a section or turn of the spiral between one member and the next immediately over or below it (2) : a whorl of floral leaves c. : ring 22 d. : a set of septa or tentacles of like age in a coral or sea anemone e. : a set of regularly recurring values of a periodic variable 4. : a long period of time : age < better fifty years of Europe than a cycle of Cathay — Alfred Tennyson > 5. a. : a group of series of works (as poems, plays, novels, or songs) treating the same theme < a sonnet cycle > b. : the complete series of poetic or prose narratives dealing typically with the exploits of a legendary hero and his followers < the Arthurian cycle > 6. [by shortening] a. : bicycle b. : tricycle c. : motorcycle 7. : the series of a single, double, triple, and home run hit by one player during one baseball game < hit for the cycle > II. \ˈsīkəl, in sense 2 “ or ˈsik-\ verb (cycled ; cycled ; cycling \-k(ə)liŋ\ ; cycles) intransitive verb 1. a. : to pass through a cycle of changes < the machine automatically cycles — Industrial Equipment News> b. : to recur in cycles < prosperity goes cycling on from generation to generation > 2. : to ride a cycle (as a bicycle) transitive verb : to cause to go through a cycle III. noun : a permutation of a set of ordered elements in which each element takes the place of the next and the last becomes first IV. intransitive verb : to undergo the estrous cycle < the mare has begun cycling > |
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